Finding the Fourth Proportional to 1,094,567.76, 1,510,104.60 and 641,771.28

Step by Step Solution

1. Step 1: Write the proportion equation
   1,094,567.76 : 1,510,104.60 = 641,771.28 : x
2. Step 2: Convert to fraction form
   1,094,567.76/1,510,104.60 = 641,771.28/x
3. Step 3: Cross multiply
   1,094,567.76x = 1,510,104.60 × 641,771.28
4. Step 4: Simplify right side
   1,094,567.76x = 969,141,762,075.89
5. Step 5: Solve for x
   x = 969,141,762,075.89/1,094,567.76
6. Step 6: Final answer
   x = 885,410.48